M. Campajola
YOU?
Author Swipe
View article: Model-agnostic likelihood for the reinterpretation of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mrow> <mml:msup> <mml:mrow> <mml:mi>B</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> </mml:mrow> </mml:msup> <mml:mo stretchy="false">→</mml:mo> <mml:msup> <mml:mrow> <mml:mi>K</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> </mml:mrow> </mml:msup> <mml:mi>v</mml:mi> <mml:mover accent="true"> <mml:mrow> <mml:mi>v</mml:mi> </mml:mrow> <mml:mrow> <mml:mo stretchy="false">¯</mml:mo> </mml:mrow> </mml:mover> </mml:mrow> </mml:math> measurement at Belle II
Model-agnostic likelihood for the reinterpretation of the measurement at Belle II Open
We recently measured the branching fraction of the B + → K + ν ν ¯ decay using 362 fb − 1 of on-resonance e + e − collision data under the assumption of Standard Model kinematics, providing the first evidence fo…
View article: Charged-hadron identification at Belle II
Charged-hadron identification at Belle II Open
The Belle II experiment’s ability to identify particles critically affects the sensitivity of its measurements. We describe Belle II’s algorithms for identifying charged particles and evaluate their performance in separating pions, kaons, …
View article: Search for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>B</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mo>*</mml:mo><mml:mn>0</mml:mn></mml:mrow></mml:msup><mml:msup><mml:mrow><mml:mi>τ</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup><mml:msup><mml:mrow><mml:mi>τ</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math> Decays at the Belle II Experiment
Search for Decays at the Belle II Experiment Open
We present a search for the rare flavor-changing neutral-current decay B0→K*0τ+τ− with data collected by the Belle II experiment at the SuperKEKB electron-positron collider. The analysis uses a 365 fb−1 data sample recorded at the center-…
View article: Measurement of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>B</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>τ</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msub><mml:mi>ν</mml:mi><mml:mi>τ</mml:mi></mml:msub></mml:math> branching fraction with a hadronic tagging method at Belle II
Measurement of branching fraction with a hadronic tagging method at Belle II Open
We present a measurement of the branching fraction of B+→τ+ντ decays using 387±6×106 ϒ(4S) collected between 2019 and 2022 with the Belle II detector at the SuperKEKB e+e− collider. We reconstruct the accompanying B− meson using the hadron…
Measurement of the branching fraction and search for and decays at Belle Open
View article: Search for a Dark Higgs Boson Produced in Association with Inelastic Dark Matter at the Belle II Experiment
Search for a Dark Higgs Boson Produced in Association with Inelastic Dark Matter at the Belle II Experiment Open
Inelastic dark matter models that have two dark matter particles and a massive dark photon can reproduce the observed relic dark matter density without violating cosmological limits. The mass splitting between the two dark matter particles…
View article: Search for a pentaquark state decaying into pJ/ψ in Υ(1, 2S) inclusive decays at Belle
Search for a pentaquark state decaying into pJ/ψ in Υ(1, 2S) inclusive decays at Belle Open
A bstract Using the data samples of 102 million Υ(1 S ) and 158 million Υ(2 S ) events collected by the Belle detector, we search for a pentaquark state in the pJ/ψ final state from Υ(1 , 2 S ) inclusive decays. Here, the charge-conjugate …
View article: Measurement of B → K*(892)γ decays at Belle II
Measurement of B → K*(892)γ decays at Belle II Open
A bstract We present measurements of B → K * (892) γ decays using 365 fb − 1 of data collected from 2019 to 2022 by the Belle II experiment at the SuperKEKB asymmetric-energy e + e − collider. The data sample contains (387 ± 6) × 10 6 Υ(4 …
View article: Measurements of the branching fractions of $${\Xi }_{c}^{+}\to {\Sigma }^{+}{K}_{S}^{0}$$, $${\Xi }_{c}^{+}\to {\Xi }^{0}{\pi }^{+}$$, and $${\Xi }_{c}^{+}\to {\Xi }^{0}{K}+$$ at Belle and Belle II
Measurements of the branching fractions of $${\Xi }_{c}^{+}\to {\Sigma }^{+}{K}_{S}^{0}$$, $${\Xi }_{c}^{+}\to {\Xi }^{0}{\pi }^{+}$$, and $${\Xi }_{c}^{+}\to {\Xi }^{0}{K}+$$ at Belle and Belle II Open
View article: Search for lepton flavor-violating decay modes B0 → K*0τ±ℓ∓ (ℓ = e, μ) with hadronic B-tagging at Belle and Belle II
Search for lepton flavor-violating decay modes B0 → K*0τ±ℓ∓ (ℓ = e, μ) with hadronic B-tagging at Belle and Belle II Open
View article: Search for lepton-flavor-violating tau decays to ℓα at Belle
Search for lepton-flavor-violating tau decays to ℓα at Belle Open
A bstract We report a search for the lepton-flavor-violating decays τ ± → ℓ ± α ( ℓ = e , μ ), where α is an undetected spin-0 particle, such as an axion-like particle using 736 × 10 6 tau lepton pairs collected by the Belle detector at th…
View article: Search for lepton-flavor-violating $${\tau }^{-}\to {{\ell}}^{-}{K}_{s}^{0}$$ decays at Belle and Belle II
Search for lepton-flavor-violating $${\tau }^{-}\to {{\ell}}^{-}{K}_{s}^{0}$$ decays at Belle and Belle II Open
A bstract We present the results of a search for charged-lepton-flavor violating decays $${\tau }^{-}\to {{\ell}}^{-}{K}_{s}^{0}$$ , where ℓ − is either an electron or a muon. We combine e + e − data samples recorded by the Belle II experi…
Observation of the decays and Open
View article: Measurement of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math> asymmetry in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>D</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> decays at Belle II
Measurement of the asymmetry in decays at Belle II Open
We measure the CP asymmetry in D+→π+π0 decays reconstructed in e+e− collisions at the Belle II experiment using a dataset corresponding to an integrated luminosity of 428 fb−1. A control sample of D+→π+KS0 decays is used to correct for de…
View article: Study of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>χ</mml:mi></mml:mrow><mml:mrow><mml:mi>b</mml:mi><mml:mi>J</mml:mi></mml:mrow></mml:msub><mml:mo stretchy="false">(</mml:mo><mml:mn>2</mml:mn><mml:mi>P</mml:mi><mml:mo stretchy="false">)</mml:mo><mml:mo stretchy="false">→</mml:mo><mml:mi>ω</mml:mi><mml:mi mathvariant="normal">ϒ</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>1</mml:mn><mml:mi>S</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:math> at Belle
Study of at Belle Open
We report a study of the hadronic transitions χbJ(2P)→ωϒ(1S), with ω→π+π−π0, using 28.2×106 ϒ(3S) mesons recorded by the Belle detector. We present the first evidence for the near-threshold transition χb0(2P)→ωϒ(1S), the analog of the nea…
View article: Test of lepton flavor universality with measurements of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>R</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:msup><mml:mi>D</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo stretchy="false">)</mml:mo></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>R</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:msup><mml:mi>D</mml:mi><mml:mrow><mml:mo>*</mml:mo><mml:mo>+</mml:mo></mml:mrow></mml:msup><mml:mo stretchy="false">)</mml:mo></mml:math> using semileptonic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>B</mml:mi></mml:math> tagging at the Belle II experiment
Test of lepton flavor universality with measurements of and using semileptonic tagging at the Belle II experiment Open
We report measurements of the ratios of branching fractions R(D(*)+)=B(B¯0→D(*)+τ−ν¯τ)/B(B¯0→D(*)+ℓ−ν¯ℓ), where ℓ denotes either an electron or a muon. These ratios test the universality of the charged-current weak interaction. The results…
View article: Measurement of the time-integrated <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mi>C</mml:mi> <mml:mi>P</mml:mi> </mml:math> asymmetry in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msup> <mml:mi>D</mml:mi> <mml:mn>0</mml:mn> </mml:msup> <mml:mo stretchy="false">→</mml:mo> <mml:msup> <mml:mi>π</mml:mi> <mml:mn>0</mml:mn> </mml:msup> <mml:msup> <mml:mi>π</mml:mi> <mml:mn>0</mml:mn> </mml:msup> </mml:math> decays at Belle II
Measurement of the time-integrated asymmetry in decays at Belle II Open
We measure the time-integrated C P asymmetry, A C P , in D 0 → π 0 π 0 decays reconstructed in e + e − → c c ¯ events collected by Belle II during 2019–2022. The data corresponds to an integrat…
View article: Characterization of low energy argon recoils with ReD and ReD+
Characterization of low energy argon recoils with ReD and ReD+ Open
The Recoil Directionality project (ReD) within the DarkSide-20k Collaboration characterized the response of a liquid argon (LAr) dual-phase Time Projection Chamber (TPC) to neutron induced nuclear recoils, to measure the ionization yield a…
Measurement of the ratio of partial branching fractions of inclusive to and the ratio of their spectra with hadronic tagging Open
View article: Search for Lepton-Flavor-Violating Decay Modes <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msubsup><mml:mi>K</mml:mi><mml:mi>S</mml:mi><mml:mn>0</mml:mn></mml:msubsup><mml:msup><mml:mi>τ</mml:mi><mml:mo>±</mml:mo></mml:msup><mml:msup><mml:mo>ℓ</mml:mo><mml:mo>∓</mml:mo></mml:msup></mml:math> with Hadronic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>B</mml:mi></mml:math> Tagging at Belle and Belle II
Search for Lepton-Flavor-Violating Decay Modes with Hadronic Tagging at Belle and Belle II Open
We present the first search for the lepton-flavor-violating decay modes B0→KS0τ±ℓ∓ (ℓ=μ,e) using the 711 and 365 fb−1 data samples recorded by the Belle and Belle II detectors, respectively. We use a hadronic B-tagging technique to fully …
View article: Search for a Dark Higgs Boson Produced in Asociation with Inelastic Dark Matter at the Belle II Experiment
Search for a Dark Higgs Boson Produced in Asociation with Inelastic Dark Matter at the Belle II Experiment Open
Inelastic dark matter models that have two dark matter particles and a massive dark photon can reproduce the observed relic dark matter density without violating cosmological limits. The mass splitting between the two dark matter particles…
View article: Design of the Global Reconstruction Logic in the Belle II Level-1 Trigger system
Design of the Global Reconstruction Logic in the Belle II Level-1 Trigger system Open
View article: Measurement of the branching fraction, polarization, and time-dependent <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math> asymmetry in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>ρ</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>ρ</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math> decays and constraint on the CKM angle <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>ϕ</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>
Measurement of the branching fraction, polarization, and time-dependent asymmetry in decays and constraint on the CKM angle Open
We present a measurement of the branching fraction and fraction of longitudinal polarization of B0→ρ+ρ− decays, which have two π0’s in the final state. We also measure time-dependent CP violation parameters for decays into longitudinally p…
View article: A wearable tool for real-time dose monitoring during cancer radiation therapies
A wearable tool for real-time dose monitoring during cancer radiation therapies Open
We report on a wearable, human tissue-equivalent, real-time dosimeter designed to quantitatively monitor radiation absorbed by patients during cancer treatments. The fully organic device has been characterized under actual clinical conditi…
View article: Measurement of branching fractions, <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math> asymmetry, and isospin asymmetry for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>B</mml:mi><mml:mo stretchy="false">→</mml:mo><mml:mi>ρ</mml:mi><mml:mi>γ</mml:mi></mml:math> decays using Belle and Belle II data
Measurement of branching fractions, asymmetry, and isospin asymmetry for decays using Belle and Belle II data Open
We present measurements of B+→ρ+γ and B0→ρ0γ decays using a combined data sample of 772×106 BB¯ pairs collected by the Belle experiment and 387×106 BB¯ pairs collected by the Belle II experiment in e+e− collisions at the ϒ(4S) resonance.…
View article: Search for lepton-flavor-violating $τ^- \to \ell^- K_s^0$ decays at Belle and Belle II
Search for lepton-flavor-violating $τ^- \to \ell^- K_s^0$ decays at Belle and Belle II Open
We present the results of a search for charged-lepton-flavor violating decays $τ^{-} \rightarrow \ell^{-}K_{S}^{0}$, where $\ell^{-}$ is either an electron or a muon. We combine $e^+e^-$ data samples recorded by the Belle II experiment at …
View article: Measurement of the branching fraction and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math>-violating asymmetry of the decay <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> using 387 million <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">ϒ</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>4</mml:mn><mml:mi>S</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:math> decays in Belle II data
Measurement of the branching fraction and -violating asymmetry of the decay using 387 million decays in Belle II data Open
We measure the branching fraction and CP-violating flavor-dependent rate asymmetry of B0→π0π0 decays reconstructed using the Belle II detector in an electron-positron collision sample containing 387×106 ϒ(4S) mesons. Using an optimized ev…
View article: Measurement of the inclusive branching fractions for $${B}_{s}^{0}$$ decays into D mesons via hadronic tagging
Measurement of the inclusive branching fractions for $${B}_{s}^{0}$$ decays into D mesons via hadronic tagging Open
A bstract We report measurements of the absolute branching fractions $$\mathcal{B}\left({B}_{s}^{0}\to {D}_{s}^{\pm }X\right)$$ , $$\mathcal{B}\left({B}_{s}^{0}\to {D}^{0}/{\overline{D} }^{0}X\right)$$ , and $$\mathcal{B}\left({B}_{s}^{0}\…
View article: Search for CP violation in $$ {D}_{(s)}^{+}\to {K}_S^0{K}^{-}{\pi}^{+}{\pi}^{+} $$ decays using triple and quadruple products
Search for CP violation in $$ {D}_{(s)}^{+}\to {K}_S^0{K}^{-}{\pi}^{+}{\pi}^{+} $$ decays using triple and quadruple products Open
A bstract We perform the first search for CP violation in $$ {D}_{(s)}^{+}\to {K}_S^0{K}^{-}{\pi}^{+}{\pi}^{+} $$ decays. We use a combined data set from the Belle and Belle II experiments, which study e + e − collision…
View article: Production cross sections of light and charmed mesons in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math> annihilation near 10.58 GeV
Production cross sections of light and charmed mesons in annihilation near 10.58 GeV Open
We report measurements of production cross sections for ρ+, ρ0, ω, K*+, K*0, ϕ, η, KS0, f0(980), D+, D0, Ds+, D*+, D*0, and Ds*+ in e+e− collisions at a center-of-mass energy near 10.58 GeV. The data were recorded by the Belle experiment, …